<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%@ page import="java.sql.SQLException"%>
<%@ page import="java.sql.ResultSet"%>
<%@ page import="java.sql.Statement"%>
<%@ page import="java.sql.Connection"%>
<%@ page import="java.sql.DriverManager"%>
<%@ page import="com.mysql.*"%>

<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">
    
    <title>My JSP 'show.jsp' starting page</title>
    
	<meta http-equiv="pragma" content="no-cache">
	<meta http-equiv="cache-control" content="no-cache">
	<meta http-equiv="expires" content="0">    
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">
	<!--
	<link rel="stylesheet" type="text/css" href="styles.css">
	-->
	<!--显示所有的年级在html中 
	;JDBC.MysqlGradeDao;DAO.GradeDao;SQL_UTIL.JDBC_UTIL
	 -->

  </head>
  
  <body>
    <%  
    try{
    	Class.forName("com.mysql.jdbc.Driver");
    }catch(ClassNotFoundException e){
    	e.printStackTrace();
    	return;
    }
    String url = "jdbc:mysql://localhost:3306/beifen";
    String sql = "SELECT * FROM grade";
   
    try {
    		Connection con = DriverManager.getConnection(url, "fang", "1234");
			Statement ps = con.createStatement();
			ResultSet rs = ps.executeQuery(sql);
			while (rs.next()) {
				out.println("年级编号：" + rs.getInt("id") + "    年级名称："
						+ rs.getString("gname"));
				 %><br>
		<% 
			}
			rs.close();
			ps.close();
			con.close();
			
		} catch (Exception e) {
			// TODO: handle exception
			e.printStackTrace();
		}
    
    
     %>
    
    
  </body>
</html>
